426246240 has 96 divisors (see below), whose sum is σ = 1534498560. Its totient is φ = 97426944.

The previous prime is 426246221. The next prime is 426246269. The reversal of 426246240 is 42642624.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×426246240² = 363371714228275200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 426246198 and 426246207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60070 + ... + 66789.

It is an arithmetic number, because the mean of its divisors is an integer number (15984360).

Almost surely, 2^426246240 is an apocalyptic number.

426246240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426246240 is an abundant number, since it is smaller than the sum of its proper divisors (1108252320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426246240 is a wasteful number, since it uses less digits than its factorization.

426246240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126884 (or 126876 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 426246240 is about 20645.7317622796. The cubic root of 426246240 is about 752.5814689410.

Adding to 426246240 its reverse (42642624), we get a palindrome (468888864).

The spelling of 426246240 in words is "four hundred twenty-six million, two hundred forty-six thousand, two hundred forty".